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Vapor Pressure of Water Hydrochloric acid reacts with aluminum metal to produce hydrogen gas according to the equation below. An impure sample of aluminum has a mass of 1.20 grams. The sample was reacted with excess HCI at 50.0°C and the hydrogen gas collected by downward displacement of water. The total volume of gas collected was 520.0 ml with atmospheric pressure equal to 752.0 torr. You may assume that their are no other materials that react with T('C) P (torr) T('C) P (torr) 0.0 4.6 40.0 55.3 10.0 9.2 50.0 92.5 15.0 12.8 60.0 149.4 20.0 17.5 70.0 233.7 25.0 23.8 80.0 355.1 30.0 31.8 90.0 525.8 HCl to produce gases. 760.0 35.0 42.2 100.0 2 Al(s) + 6 HCI (aq) 2 AICI, (s) + 3 H, (g) i. Calculate the pressure of H, gas in the collection space (in atm). atm. ii. How many moles of hydrogen gas were collected? moles H, iii. Calculate the percentage of aluminum in the impure sample.

Vapor Pressure of Water Hydrochloric acid reacts with aluminum metal to produce hydrogen gas according to the equation below. An impure sample of aluminum has a mass of 1.20 grams. The sample was reacted with excess HCI at 50.0°C and the hydrogen gas collected by downward displacement of water. The total volume of gas collected was 520.0 ml with atmospheric pressure equal to 752.0 torr. You may assume that their are no other materials that react with T('C) P (torr) T('C) P (torr) 0.0 4.6 40.0 55.3 10.0 9.2 50.0 92.5 15.0 12.8 60.0 149.4 20.0 17.5 70.0 233.7 25.0 23.8 80.0 355.1 30.0 31.8 90.0 525.8 HCl to produce gases. 760.0 35.0 42.2 100.0 2 Al(s) + 6 HCI (aq) 2 AICI, (s) + 3 H, (g) i. Calculate the pressure of H, gas in the collection space (in atm). atm. ii. How many moles of hydrogen gas were collected? moles H, iii. Calculate the percentage of aluminum in the impure sample.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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Vapor Pressure of Water Hydrochloric acid reacts with aluminum metal to produce hydrogen gas according to the equation below. An impure sample of aluminum has a mass of 1.20 grams. The sample was reacted with excess HCl at 50.0°C and the hydrogen gas collected by downward displacement of water. The total volume of gas collected was 520.0 ml with atmospheric pressure equal to 752.0 torr. You may assume that their are no other materials that react with T(°C) P (torr) T(°C) P (torr) 0.0 4.6 40.0 55.3 10.0 9.2 50.0 92.5 15.0 12.8 60.0 149.4 20.0 17.5 70.0 233.7 25.0 23.8 80.0 355.1 30.0 31.8 90.0 525.8 HCI to produce gases. 760.0 35.0 42.2 100.0 2 Al(s) + 6 HCI (aq) → 2 AICI, (s) + 3 H, (g) i. Calculate the pressure of H, gas in the collection space (in atm). atm. ii. How many moles of hydrogen gas were collected? moles H, iii. Calculate the percentage of aluminum in the impure sample. Check
Transcribed Image Text:Vapor Pressure of Water Hydrochloric acid reacts with aluminum metal to produce hydrogen gas according to the equation below. An impure sample of aluminum has a mass of 1.20 grams. The sample was reacted with excess HCl at 50.0°C and the hydrogen gas collected by downward displacement of water. The total volume of gas collected was 520.0 ml with atmospheric pressure equal to 752.0 torr. You may assume that their are no other materials that react with T(°C) P (torr) T(°C) P (torr) 0.0 4.6 40.0 55.3 10.0 9.2 50.0 92.5 15.0 12.8 60.0 149.4 20.0 17.5 70.0 233.7 25.0 23.8 80.0 355.1 30.0 31.8 90.0 525.8 HCI to produce gases. 760.0 35.0 42.2 100.0 2 Al(s) + 6 HCI (aq) → 2 AICI, (s) + 3 H, (g) i. Calculate the pressure of H, gas in the collection space (in atm). atm. ii. How many moles of hydrogen gas were collected? moles H, iii. Calculate the percentage of aluminum in the impure sample. Check
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